EP4293280C0 - Guide d'ondes optique diffractif, procédé de conception et procédé de formation de celui-ci, et dispositif d'affichage - Google Patents

Guide d'ondes optique diffractif, procédé de conception et procédé de formation de celui-ci, et dispositif d'affichage

Info

Publication number
EP4293280C0
EP4293280C0 EP23173057.3A EP23173057A EP4293280C0 EP 4293280 C0 EP4293280 C0 EP 4293280C0 EP 23173057 A EP23173057 A EP 23173057A EP 4293280 C0 EP4293280 C0 EP 4293280C0
Authority
EP
European Patent Office
Prior art keywords
manufacturing
design
display device
optical waveguide
diffractive optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP23173057.3A
Other languages
German (de)
English (en)
Other versions
EP4293280B1 (fr
EP4293280A1 (fr
Inventor
Zhentao Fan
Xingming Zhao
Kehan Tian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing Uphoton Optoelectronics Technology Co Ltd
Original Assignee
Jiaxing Uphoton Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiaxing Uphoton Optoelectronics Technology Co Ltd filed Critical Jiaxing Uphoton Optoelectronics Technology Co Ltd
Publication of EP4293280A1 publication Critical patent/EP4293280A1/fr
Application granted granted Critical
Publication of EP4293280B1 publication Critical patent/EP4293280B1/fr
Publication of EP4293280C0 publication Critical patent/EP4293280C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
    • G02B5/1819—Plural gratings positioned on the same surface, e.g. array of gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1847—Manufacturing methods
    • G02B5/1857—Manufacturing methods using exposure or etching means, e.g. holography, photolithography, exposure to electron or ion beams
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
    • G02B2027/0125—Field-of-view increase by wavefront division
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G02B2027/0174—Head mounted characterised by optical features holographic
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Integrated Circuits (AREA)
EP23173057.3A 2022-05-13 2023-05-12 Guide d'ondes optique diffractif, procédé de conception et procédé de formation de celui-ci, et dispositif d'affichage Active EP4293280B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210522591.3A CN114994825B (zh) 2022-05-13 2022-05-13 衍射光波导及其设计方法和形成方法、以及显示设备

Publications (3)

Publication Number Publication Date
EP4293280A1 EP4293280A1 (fr) 2023-12-20
EP4293280B1 EP4293280B1 (fr) 2025-08-20
EP4293280C0 true EP4293280C0 (fr) 2025-08-20

Family

ID=83027899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23173057.3A Active EP4293280B1 (fr) 2022-05-13 2023-05-12 Guide d'ondes optique diffractif, procédé de conception et procédé de formation de celui-ci, et dispositif d'affichage

Country Status (3)

Country Link
US (1) US20230367055A1 (fr)
EP (1) EP4293280B1 (fr)
CN (1) CN114994825B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117761823A (zh) * 2022-09-19 2024-03-26 歌尔光学科技有限公司 光波导器件及头戴显示设备
CN115542451A (zh) * 2022-10-10 2022-12-30 成都理想境界科技有限公司 一种波导及近眼显示模组
CN115421234B (zh) 2022-11-04 2023-04-07 北京驭光科技发展有限公司 衍射光波导及其光栅结构以及显示设备
CN116449474A (zh) * 2023-04-23 2023-07-18 烟台艾睿光电科技有限公司 二维光栅、光波导结构、显示设备、二维光栅加工方法
CN116381835A (zh) * 2023-04-28 2023-07-04 成都理想境界科技有限公司 一种二维光栅、波导及近眼显示模组
CN116381854A (zh) * 2023-04-28 2023-07-04 成都理想境界科技有限公司 一种光波导、设计方法及近眼显示模组
CN117805963B (zh) * 2023-12-12 2025-05-27 驭光科技(北京)有限公司 衍射光波导、显示设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201705160D0 (en) * 2017-03-30 2017-05-17 Wave Optics Ltd Waveguide for an augmented reality or virtual reality display
CN109459813B (zh) * 2018-12-26 2025-09-19 上海鲲游光电科技有限公司 一种基于二维光栅的平面光波导
GB201903708D0 (en) * 2019-03-19 2019-05-01 Wave Optics Ltd Improved angular uniformity waveguide for augmented or virtual reality
CN113325506A (zh) * 2020-02-28 2021-08-31 苏州苏大维格科技集团股份有限公司 一种全息光波导镜片及增强现实显示装置
EP4208743A1 (fr) * 2020-09-01 2023-07-12 Snap, Inc. Procédés pour concevoir un réseau de diffraction pour un affichage de réalité augmentée ou de réalité virtuelle et réseau de diffraction pour un affichage de réalité augmentée ou de réalité virtuelle
CN114137649B (zh) * 2020-09-04 2024-06-04 宁波舜宇光电信息有限公司 用于ar设备的光波导装置及其制造方法和ar设备
CN113156581B (zh) * 2021-05-27 2025-12-09 Oppo广东移动通信有限公司 衍射波导装置、近眼显示设备及制造方法

Also Published As

Publication number Publication date
EP4293280B1 (fr) 2025-08-20
US20230367055A1 (en) 2023-11-16
CN114994825A (zh) 2022-09-02
EP4293280A1 (fr) 2023-12-20
CN114994825B (zh) 2023-03-10

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